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Apparatus and method for computer telephone integration in packet switched telephone networks

a packet switched telephone network and telephone network technology, applied in the field of computer telephone integration (cti), can solve the problems of inability to seamlessly interface with a third party application computer, inability to successfully apply packet network telephony methods and apparatuses, and inability to integrate with the network seamlessly

Inactive Publication Date: 2005-06-09
INTEL CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Computer telephone integration (CTI) has been widely applied to traditional telephony methods and apparatus, but has not as yet been successfully applied to the methods and apparatus used for packet network telephony.
However, SIP methodologies also lack the ability to seamlessly interface to a third party applications computer for the purpose of implementing call control, monitoring, and related functions.

Method used

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  • Apparatus and method for computer telephone integration in packet switched telephone networks
  • Apparatus and method for computer telephone integration in packet switched telephone networks
  • Apparatus and method for computer telephone integration in packet switched telephone networks

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Embodiment Construction

[0019] A technical advance is achieved in accordance with the present invention that relates to a packet network telephony call processing device (e.g.; an H.323 gatekeeper, a SIP proxy server, and / or a “pass-through” server) that is arranged to interface with a plurality of external call processing applications programs that may be located on one or more remote computers. Regardless of the protocol utilized, we term herein as the CTI interface the server or computer and associated software that interfaces to the third party applications computer from the computer telephony environment. As explained below, in a SIP situation, this CTI interface may be, for example, the proxy server or “pass through” server, and in the H.323 environment, such CTI interface is preferably the gatekeeper.

[0020] In accordance with the teachings of the present invention, a call processing application computer is connected via a data network to a CTI interface, and these two entities exchange messages in ...

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PUM

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Abstract

A computer telephony interface (CTI) applications computer interfaces to a Internet telephony system which utilizes, preferably, the session initiation protocol (SIP). In one preferred technique, an additional pass through server is added to connect end users to their associated SIP proxy server, and to connect a CTI applications computer to the system.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application is a continuation-in-part of each of pending U.S. patent application Ser. No. 09 / 723,747, filed Nov. 28, 2000, and Ser. No. 09 / 805,501, filed Mar. 13, 2001, each of which is itself a continuation-in-part of U.S. patent application Ser. No. 08 / 955,834, filed on Oct. 21, 1997, now issued as U.S. Pat. No. 6,201,805.TECHNICAL FIELD [0002] This invention relates to computer telephone integration (CTI) and, more specifically, to an improved method and apparatus for utilizing CTI techniques in a packet switched telephone network. In specific enhanced embodiments, the invention allows advanced data networking features to be utilized for telephone calls routed over the Internet, and also allows telephony functions to be implemented in conjunction with remote applications computers over a data network utilizing a variety of packet telephony protocols. BACKGROUND OF THE INVENTION [0003] Telephony over packet networks, particularly...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): H04L12/56H04L29/06H04L29/08H04M1/253H04M3/42H04M3/56H04M7/00
CPCH04L29/06027H04L69/329H04L45/24H04L63/0281H04L63/029H04M1/2535H04M3/42323H04M3/56H04M7/006H04M2203/651H04M2242/16H04L65/1043H04L65/104H04L65/1006H04L65/1009H04L65/1069H04L65/1096H04L65/1026H04L65/103H04L65/4007H04L65/1036H04L67/14H04L67/2842H04L67/327H04L45/00H04M7/0021H04L65/401H04L65/1106H04L65/1104H04L67/63H04L67/568H04L65/1101
Inventor STRATHMEYER, CARL R.FINNIE, DONALD
Owner INTEL CORP
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